Don't paint selections in <mask>s, <clipPath>s and <pattern>s

third_party/WebKit/Source/core/paint/SVGPaintContext.cpp

 /*
  * Copyright (C) 2007, 2008 Rob Buis <buis@kde.org>
  * Copyright (C) 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Google, Inc.  All rights reserved.
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 206 matching lines @@
     return true;
   return false;
 }
 
 void SVGPaintContext::paintSubtree(GraphicsContext& context,
                                    const LayoutObject* item) {
   DCHECK(item);
   DCHECK(!item->needsLayout());
 
   PaintInfo info(context, LayoutRect::infiniteIntRect(), PaintPhaseForeground,
-                 GlobalPaintNormalPhase, PaintLayerNoFlag);
+                 GlobalPaintNormalPhase,
+                 PaintLayerPaintingRenderingResourceSubtree);
   item->paint(info, IntPoint());
 }
 
 bool SVGPaintContext::paintForLayoutObject(
     const PaintInfo& paintInfo,
     const ComputedStyle& style,
     const LayoutObject& layoutObject,
     LayoutSVGResourceMode resourceMode,
     SkPaint& paint,
     const AffineTransform* additionalPaintServerTransform) {
@@ skipping 31 matching lines @@
   // though.
   // Additionally, it's not really safe/guaranteed to be correct, as
   // something down the paint pipe may want to farther tweak the color
   // filter, which could yield incorrect results. (Consider just using
   // saveLayer() w/ this color filter explicitly instead.)
   paint.setColorFilter(sk_ref_sp(paintInfo.context.getColorFilter()));
   return true;
 }
 
 }  // namespace blink